Accordingly, in the spring of 1488 he wrote, so he says, to the king of Portugal asking permission to return. King John not only invited him to come back, but promised that no one should be allowed to bring any lawsuit against him. This refers, perhaps, to the sums Columbus had borrowed for trading purposes and had lost. About the same time came a message from the English king, whom Bartholomew Columbus had visited. Neither letter contained any definite promise of assistance; but the mere fact that other countries were interested caused Ferdinand and Isabella some anxiety. They must have considered how humiliating it would be for them to turn away this opportunity that was knocking at their door, and send it to rival kingdoms. They decided, war or no war, to have all the learned men of Spain come together and listen to the Italian's project. If a majority of these wise men thought the voyage might prove profitable, then they would immediately give Columbus the necessary ships and men. Accordingly they issued three important orders: one, bidding Columbus to appear before a learned council in Sevilla; another, commanding every town through which he might pass in reaching Sevilla to give him hospitality; a third, commanding Sevilla itself to give him lodging and to treat him as if he were a government official. All this must have looked so promising, so much in earnest, that Columbus willingly put off his return to Portugal. In spite of the narrow-mindedness he had encountered in the learned men of Salamanca, he started off, full of hope, to talk to the same sort of learned men of Sevilla. But it all came to naught. For some reason now unknown the meeting was postponed; and the summer campaign starting soon after, the government had other matters to consider. In August of that year, 1488, Columbus's younger son Fernando, whose mother was a Spanish woman, was born in Cordova, and soon after the father appears to have returned to Lisbon. Here again we do not know what happened; the only proof we have that he made the journey at all is a memorandum written by him in his copy of the "Imago Mundi." It is dated Lisbon, December, 1488, and states that Bartholomew Dias had just rounded southern Africa--the Cape of Good Hope. Whether Columbus made another fruitless appeal to Portugal we shall never know. We only know that, instead of going from Lisbon to England, he went back to procrastinating Spain. That he came back by King Ferdinand's summons is almost positive, for another royal decree was issued for every city through which he passed to furnish him with board and lodging at the king's expense. This was in May, 1489, which means that another summer campaign was in progress when Columbus entered Spain. The monarchs who took the trouble to bring him back had no time for his project after he reached Spain.